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19932026
most citedRelativistic Shapiro delay measurements of an extremely massive millisecond pulsar

1.6k citations

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23 papers · 1 filter

q-bio.PE2023★ 7 cited

Modeling human activity-related spread of the spotted lanternfly (Lycorma delicatula) in the US

Daniel Strömbom, Autumn Sands, Jason M. Graham +4

The spotted lanternfly (Lycorma delicatula) has recently spread from its native range to several other countries and forecasts predict that it may become a global invasive pest. In…

astro-ph.HE2023★ 10 cited

The Green Bank North Celestial Cap Survey IX: Timing Follow-up for 128 Pulsars

A. E. McEwen, J. K. Swiggum, D. L. Kaplan +27

The Green Bank North Celestial Cap survey is one of the largest and most sensitive searches for pulsars and transient radio objects. Observations for the survey have finished; prio…

astro-ph.HE2023★ 7 cited

The black widow pulsar J1641+8049 in the optical, radio and X-rays

A. Yu. Kirichenko, S. V. Zharikov, A. V. Karpova +14

PSR J1641+8049 is a 2 ms black widow pulsar with the 2.2 h orbital period detected in the radio and -rays. We performed new phase-resolved multi-band photometry of PSR J1641+804…

astro-ph.SR2023★ 10 cited

The Factory and the Beehive. V. Chromospheric and Coronal Activity and Its Dependence on Rotation in Praesepe and the Hyades

Alejandro Núñez, M. A. Agüeros, J. L. Curtis +6

Low-mass (< 1.2 Solar mass) main-sequence stars lose angular momentum over time, leading to a decrease in their magnetic activity. The details of this rotation-activity relation re…

astro-ph.HE2023★ 17 cited

The NANOGrav 12.5-year data set: A computationally efficient eccentric binary search pipeline and constraints on an eccentric supermassive binary candidate in 3C 66B

Gabriella Agazie, Zaven Arzoumanian, Paul T. Baker +85

The radio galaxy 3C 66B has been hypothesized to host a supermassive black hole binary (SMBHB) at its center based on electromagnetic observations. Its apparent 1.05-year period an…

gr-qc2023★ 17 cited

How to Detect an Astrophysical Nanohertz Gravitational-Wave Background

Bence Bécsy, Neil J. Cornish, Patrick M. Meyers +93

Analysis of pulsar timing data have provided evidence for a stochastic gravitational wave background in the nHz frequency band. The most plausible source of such a background is th…

cs.AR2023★ 7 cited

Security Verification of Low-Trust Architectures

Qinhan Tan, Yonathan Fisseha, Shibo Chen +4

Low-trust architectures work on, from the viewpoint of software, always-encrypted data, and significantly reduce the amount of hardware trust to a small software-free enclave compo…

astro-ph.HE2023★ 380 cited

The NANOGrav 15-year Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational Wave Background

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +111

The NANOGrav 15-year data set shows evidence for the presence of a low-frequency gravitational-wave background (GWB). While many physical processes can source such low-frequency gr…

astro-ph.SR2023★ 3 cited

A Novel Application of Conditional Normalizing Flows: Stellar Age Inference with Gyrochronology

Phil Van-Lane, Joshua S. Speagle, Stephanie Douglas

Stellar ages are critical building blocks of evolutionary models, but challenging to measure for low mass main sequence stars. An unexplored solution in this regime is the applicat…

astro-ph.HE2023★ 159 cited

The NANOGrav 15-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +96

Evidence for a low-frequency stochastic gravitational wave background has recently been reported based on analyses of pulsar timing array data. The most likely source of such a bac…

astro-ph.HE2023★ 801 cited

The NANOGrav 15-year Data Set: Search for Signals from New Physics

Adeela Afzal, Gabriella Agazie, Akash Anumarlapudi +120

The 15-year pulsar timing data set collected by the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low-freque…

astro-ph.HE2023★ 154 cited

The NANOGrav 15-Year Data Set: Detector Characterization and Noise Budget

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +88

Pulsar timing arrays (PTAs) are galactic-scale gravitational wave detectors. Each individual arm, composed of a millisecond pulsar, a radio telescope, and a kiloparsecs-long path,…

astro-ph.HE2023★ 376 cited

The NANOGrav 15-year Data Set: Observations and Timing of 68 Millisecond Pulsars

Gabriella Agazie, Md Faisal Alam, Akash Anumarlapudi +97

We present observations and timing analyses of 68 millisecond pulsars (MSPs) comprising the 15-year data set of the North American Nanohertz Observatory for Gravitational Waves (NA…

astro-ph.HE2023★ 1.5k cited

The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background

Gabriella Agazie, Akash Anumarlapudi, Anne M. Archibald +111

We report multiple lines of evidence for a stochastic signal that is correlated among 67 pulsars from the 15-year pulsar-timing data set collected by the North American Nanohertz O…

astro-ph.HE2023★ 41 cited

The NANOGrav 15-year Gravitational-Wave Background Methods

Aaron D. Johnson, Patrick M. Meyers, Paul T. Baker +93

Pulsar timing arrays (PTAs) use an array of millisecond pulsars to search for gravitational waves in the nanohertz regime in pulse time of arrival data. This paper presents rigorou…

math.CO2023★ 1 cited

Noncrossing Partition Lattices from Planar Configurations

Stella Cohen, Michael Dougherty, Andrew D. Harsh +1

The lattice of noncrossing partitions is well-known for its wide variety of combinatorial appearances and properties. For example, the lattice is rank-symmetric and enumerated by t…

astro-ph.EP2023★ 13 cited

Hyades Member K2-136c: The Smallest Planet in an Open Cluster with a Precisely Measured Mass

Andrew W. Mayo, Courtney D. Dressing, Andrew Vanderburg +39

K2-136 is a late-K dwarf ( M) in the Hyades open cluster with three known, transiting planets and an age of Myr. Analyzing K2 photometry, we found…

astro-ph.SR2023★ 7 cited

Contemporaneous Observations of Luminosities and Photometric Amplitudes for M Dwarfs

Aylin García Soto, Elisabeth R. Newton, Stephanie T. Douglas +2

While many M dwarfs are known to have strong magnetic fields and high levels of magnetic activity, we are still unsure about the properties of their starspots and the origin of the…

gr-qc2023★ 76 cited

Searching for continuous Gravitational Waves in the second data release of the International Pulsar Timing Array

M. Falxa, S. Babak, P. T. Baker +123

The International Pulsar Timing Array 2nd data release is the combination of datasets from worldwide collaborations. In this study, we search for continuous waves: gravitational wa…

nlin.PS2023★ 18 cited

Modulation instability gain and localized waves by modified Frenkel-Kontorova model of higher order nonlinearity

Alphonse Houwe, Souleymanou Abbagari, Lanre Akinyemi +2

In this paper, modulation instability and nonlinear supratransmission are investigated in a one-dimensional chain of atoms using cubic-quartic nonlinearity coefficients. As a resul…

astro-ph.HE2023★ 21 cited

A Pilot Study of Nulling in 22 Pulsars Using Mixture Modeling

Akash Anumarlapudi, Joseph K. Swiggum, David L. Kaplan +1

The phenomenon of pulsar nulling, observed as the temporary inactivity of a pulsar, remains poorly understood both observationally and theoretically. Most observational studies tha…

hep-ph2023★ 17 cited

Extending the Discovery Potential for Inelastic-Dipole Dark Matter with FASER

Keith R. Dienes, Jonathan L. Feng, Max Fieg +3

Neutral particles are notoriously difficult to observe through electromagnetic interactions. As a result, they naturally elude detection in most collider detectors. In this paper,…

astro-ph.GA2023★ 38 cited

The NANOGrav 12.5-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries

Zaven Arzoumanian, Paul T. Baker, Laura Blecha +75

Pulsar timing array collaborations, such as the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), are seeking to detect nanohertz gravitational waves emitted…